// 颜色
$textColor ?= #2c3e50
$accentColor ?= #1e90ff
$grayTextColor ?= #666
$lightTextColor ?= #999
$borderColor ?= #eaecef
$codeBgColor ?= #282c34
$arrowBgColor ?= #ccc
$navbarColor ?= #fff
$headerColor ?= #fff
$headerTitleColor ?= #fff
$nprogressColor ?= $accentColor
// 布局
bannerHeight ?= 12rem
